package com.ThreadStudy.syn;
/*
*
* 不安全的取钱
* 两个人去取钱,
* 账户
*
*
* */
public class UnSafeBank {
    public static void main(String[] args) {
        // 账户
        Account account = new Account(140,"建行卡");
        Drawing you = new Drawing(account,80,"you要取钱");
        Drawing you1 = new Drawing(account,70,"you1要取钱");

        you.start();
        you1.start();
    }

}






// 账户
class Account{
    int money; // 余额
    String name; // 卡名

    public Account(int money, String name) {
        this.money = money;
        this.name = name;
    }


}




// 银行:模拟取款
class Drawing extends Thread{
    Account account; // 账户
    // 取了多少钱
    int drawingMoney;
    // 现在手里有多少钱
    int nowMoney;


    public Drawing(Account account,int drawingMoney,String name){
        super(name);
        this.account = account;
        this.drawingMoney = drawingMoney;
    }

    // 取钱
    @Override
    public void run() {

        synchronized (account){
            // 判断有没有钱
            if(account.money-drawingMoney<0){
                System.out.println(Thread.currentThread().getName()+"--钱不够,取不了");
                return;
            }


            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }


            // 余额 = 余额-取得钱
            account.money = account.money-drawingMoney;

            // 你手里的钱
            nowMoney = nowMoney+drawingMoney;

            System.out.println(account.name+"余额"+account.money);

            System.out.println(this.getName()+",手里的钱"+nowMoney);

        }
       }

}






